'Halysites' definitions:

Definition of 'Halysites'

From: GCIDE

Halysites \Hal`y*si"tes\ (h[a^]l`[i^]*s[imac]"t[=e]z), n. [NL., fr. Gr. "a`lysis a chain.] (Paleon.) A genus of Silurian fossil corals; the chain corals. See Chain coral, under Chain. [1913 Webster]